Malicious PDF — malware analysis report

Static analysis result for SHA-256 19ae3fbc75174dcd…

MALICIOUS

PDF

18.9 KB Created: 2019-05-04 14:17:10 +01:00 Authoring application: mPDF 5.7
MD5: d6ad54e0b0d647fa7819685ccf8d445d SHA-1: 4cbccfb0bdece7a7bf13075c9d44646f1bf7eae4 SHA-256: 19ae3fbc75174dcd9223dfe91261c134e44ebb4503d7cc1fcf06cb7e6d479e91
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified as a link farm. While the document body is heavily obfuscated, the presence of numerous links suggests an attempt to manipulate search engine results or to distribute further malicious content. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

Heuristics 2

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://loaminoo.linkpc.net/1097097097092090/Tide-Players-The-Movers-and-Shakers-of-a-Rising-China-by-Jianying-Zha.pdf
    • http://loaminoo.linkpc.net/1092095094097090/Rising-Tide-by-Susan-Roebuck.pdf
    • http://loaminoo.linkpc.net/1090099091099092/Beyond-the-Rising-Tide-by-Sarah-Beard.pdf
    • http://loaminoo.linkpc.net/3090093093096092/Rising-Tide-Sirens-1-by-T-L-Zalecki.pdf
    • http://loaminoo.linkpc.net/2099092095097095/The-Rising-Tide-by-Molly-Keane.pdf
    • http://loaminoo.linkpc.net/3097091099092090/To-Sail-a-Darkling-Sea-Black-Tide-Rising-2-by-John-Ringo.pdf
    • http://loaminoo.linkpc.net/3093091099091092/West-Pacific-Supers-Rising-Tide-by-K-M-Johnson-Weider.pdf
    • http://loaminoo.linkpc.net/8094090093094097/Dark-Tide-Rising-William-Monk-24-by-Anne-Perry.pdf
    • http://loaminoo.linkpc.net/3096090099097098/Strands-of-Sorrow-Black-Tide-Rising-4-by-John-Ringo.pdf
    • http://loaminoo.linkpc.net/8091096096098/Three-Novels-of-World-War-II-The-Rising-Tide-The-Steel-Wave-No-Less-Than-Victory-by-Jeff-Shaara.pdf
    • http://loaminoo.linkpc.net/1094092090098099/Rising-Tide-The-Great-Mississippi-Flood-of-1927-and-How-It-Changed-America-by-John-M-Barry.pdf
    • http://loaminoo.linkpc.net/2095095098093098/Confederate-Tide-Rising-Robert-E-Lee-and-the-Making-of-Southern-Strategy-1861-1862-by-Joseph-L-Harsh.pdf
    • http://loaminoo.linkpc.net/1091097098094098/China-Rising-by-Alexander-Scipio.pdf
    • http://loaminoo.linkpc.net/1090093098090099/The-China-Challenge-Shaping-the-Choices-of-a-Rising-Power-by-Thomas-J-Christensen.pdf
    • http://loaminoo.linkpc.net/1099096096091094/China-Wakes-The-Struggle-for-the-Soul-of-a-Rising-Power-by-Nicholas-D-Kristof.pdf
    • http://loaminoo.linkpc.net/1094098093091093/Body-Movers-Body-Movers-1-by-Stephanie-Bond.pdf
    • http://loaminoo.linkpc.net/2099092092097092/Body-Movers-Body-Movers-1-by-Stephanie-Bond.pdf
    • http://loaminoo.linkpc.net/2091098092094092/The-Great-Divorce-A-Nineteenth-Century-Mother-s-Extraordinary-Fight-against-Her-Husband-the-Shakers-and-Her-Times-by-Ilyon-Woo.pdf
    • http://loaminoo.linkpc.net/2093099094098091/The-Great-Divorce-a-Nineteenth-Century-Mother-s-Extraordinary-Fight-Against-Her-Husband-the-Shakers-and-Her-Times-by-Ilyon-Woo.pdf
    • http://loaminoo.linkpc.net/9093095092095095/Rip-Tide-Tide-3-by-K-Dicke.pdf

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